SEAMLESSLY EXTEND HDMI CABLES: Connect two HDMI cables for long-distance 8K expansion with the hdmi to hdmi adapter. No drivers needed—plug and go. 8K UHD & HDMI 2.1 PERFORMANCE: The aluminum hdmi female to female adapter fully supports 8K@60Hz, 4K@120Hz, Dolby Atmos, Dolby Vision, HDR, eARC, HDCP 2.3, VRR, QFT, QMS, and 3D.